[ramips] platform.h is rt288x specific, move it

[openwrt.git] / target / linux / ramips / files / arch / mips / ralink / rt288x / devices.c

diff --git a/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c b/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c
new file mode 100644 (file)
index 0000000..64ce0a9
--- /dev/null
+++ b/target/linux/ramips/files/arch/mips/ralink/rt288x/devices.c
@@ -0,0 +1,98 @@
+/*
+ *  Ralink RT288x SoC platform device registration
+ *
+ *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ *  This program is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License version 2 as published
+ *  by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/physmap.h>
+
+#include <asm/addrspace.h>
+
+#include <asm/mach-ralink/rt288x.h>
+#include <asm/mach-ralink/rt288x_regs.h>
+
+#include "devices.h"
+
+static struct resource rt288x_flash0_resources[] = {
+       {
+               .flags  = IORESOURCE_MEM,
+               .start  = KSEG1ADDR(RT2880_FLASH0_BASE),
+               .end    = KSEG1ADDR(RT2880_FLASH0_BASE) +
+                         RT2880_FLASH0_SIZE - 1,
+       },
+};
+
+static struct platform_device rt288x_flash0_device = {
+       .name           = "physmap-flash",
+       .resource       = rt288x_flash0_resources,
+       .num_resources  = ARRAY_SIZE(rt288x_flash0_resources),
+};
+
+static struct resource rt288x_flash1_resources[] = {
+       {
+               .flags  = IORESOURCE_MEM,
+               .start  = KSEG1ADDR(RT2880_FLASH1_BASE),
+               .end    = KSEG1ADDR(RT2880_FLASH1_BASE) +
+                         RT2880_FLASH1_SIZE - 1,
+       },
+};
+
+static struct platform_device rt288x_flash1_device = {
+       .name           = "physmap-flash",
+       .resource       = rt288x_flash1_resources,
+       .num_resources  = ARRAY_SIZE(rt288x_flash1_resources),
+};
+
+static int rt288x_flash_instance __initdata;
+void __init rt288x_register_flash(unsigned int id,
+                                 struct physmap_flash_data *pdata)
+{
+       struct platform_device *pdev;
+       u32 t;
+       int reg;
+
+       switch (id) {
+       case 0:
+               pdev = &rt288x_flash0_device;
+               reg = MEMC_REG_FLASH_CFG0;
+               break;
+       case 1:
+               pdev = &rt288x_flash1_device;
+               reg = MEMC_REG_FLASH_CFG1;
+               break;
+       default:
+               return;
+       }
+
+       t = rt288x_memc_rr(reg);
+       t = (t >> FLASH_CFG_WIDTH_SHIFT) & FLASH_CFG_WIDTH_MASK;
+
+       switch (t) {
+       case FLASH_CFG_WIDTH_8BIT:
+               pdata->width = 1;
+               break;
+       case FLASH_CFG_WIDTH_16BIT:
+               pdata->width = 2;
+               break;
+       case FLASH_CFG_WIDTH_32BIT:
+               pdata->width = 4;
+               break;
+       default:
+               printk(KERN_ERR "RT288x: flash bank%u witdh is invalid\n", id);
+               return;
+       }
+
+       pdev->dev.platform_data = pdata;
+       pdev->id = rt288x_flash_instance;
+
+       platform_device_register(pdev);
+       rt288x_flash_instance++;
+}